ADGM
Adagio Medical Holdings, Inc.
$0.64
-0.02 (-3.63%)
At close · Jul 2
Market Cap
$14.15M
Shares
22,210,459
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 23
Total Value: $18,007,896
Total Shares: 15,659,047
Institutional Ownership Trend
7 quarters
Holder Concentration
Across 23 13F filers · Δ vs Dec 31, 2025Top Holder
63.1%
+3.4 pts
Top 5
94.4%
+5.4 pts
Top 10
98.8%
+0.4 pts
HHI
4,230
Highly concentrated+430
Quarterly Activity
vs Dec 31, 2025
New
6
Increased
3
Decreased
4
Sold Out
4
Unchanged
10
Holder count:
+2
Institutional value:
-9.1%
Shares held:
-17.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | +56,899 | 125,241 | |
| Mid XTX Topco Ltd | +5,247 | 23,350 | |
| Mega BANK OF AMERICA CORP /DE/ | +1,363 | 12,857 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small Sio Capital Management, LLC | −1,288,461 | 1,288,461 | |
| Mid ADAR1 Capital Management, LLC | −1,159,614 | 1,205,447 | |
| Small SILVERARC CAPITAL MANAGEMENT, LLC | −263,412 | 251,972 | |
| Mid Tower Research Capital LLC (TRC) | −5,944 | 2,202 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD FIDUCIARY TRUST CO | 53,782 | $61,849 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 39,608 | $45,549 | |
| Mid Granite Investment Partners, LLC | 27,053 | $31,110 | |
| Large RENAISSANCE TECHNOLOGIES LLC | 16,557 | $19,040 | |
| Mega JPMORGAN CHASE & CO | 975 | $1,121 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid ARMISTICE CAPITAL, LLC | 478,000 | $497,120 | |
| Large Hudson Bay Capital Management LP | 296,369 | $308,223 | |
| Mega VANGUARD GROUP INC | 79,451 | $82,628 | |
| Large HRT FINANCIAL LP | 18,618 | $19,362 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid PERCEPTIVE ADVISORS LLC | $11,358,062 | 63.07% | 9,876,576 | Shares | Sole | 2026-05-29 | ||||
| Small Sio Capital Management, LLC | $1,481,730 | 8.23% | 1,288,461 | Shares | Sole | 2026-05-14 | ||||
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $1,447,276 | 8.04% | 1,258,501 | Shares | Sole | 2026-05-15 | ||||
| Mid ADAR1 Capital Management, LLC | $1,386,264 | 7.70% | 1,205,447 | Shares | Sole | 2026-05-18 | ||||
| Large Alyeska Investment Group, L.P. | $1,333,557 | 7.41% | 1,159,615 | Shares | Sole | 2026-05-15 | ||||
| Small SILVERARC CAPITAL MANAGEMENT, LLC | $289,767 | 1.61% | 251,972 | Shares | Sole | 2026-05-14 | ||||
| Small Shaolin Capital Management LLC | $196,845 | 1.09% | 171,170 | Shares | Sole | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $144,027 | 0.80% | 125,241 | Shares | Defined | 2026-05-15 | ||||
| Mid Affinity Asset Advisors, LLC | $92,000 | 0.51% | 80,000 | Shares | Sole | 2026-05-14 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $61,849 | 0.34% | 53,782 | Shares | Defined | 2026-05-08 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $45,549 | 0.25% | 39,608 | Shares | Defined | 2026-05-15 | ||||
| Mid Granite Investment Partners, LLC | $31,110 | 0.17% | 27,053 | Shares | Sole | 2026-04-30 | ||||
| Large TORONTO DOMINION BANK Bank | $28,750 | 0.16% | 25,000 | Shares | Defined | 2026-05-15 | ||||
| Mid XTX Topco Ltd | $26,852 | 0.15% | 23,350 | Shares | Defined | 2026-05-15 | ||||
| Mega NORTHERN TRUST CORP Bank | $24,837 | 0.14% | 21,598 | Shares | Defined | 2026-05-14 | ||||
| Small Opaleye Management Inc. | $21,210 | 0.12% | 18,444 | Shares | Sole | 2026-05-15 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $19,040 | 0.11% | 16,557 | Shares | Sole | 2026-05-14 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $14,785 | 0.08% | 12,857 | Shares | Defined | 2026-05-18 | ||||
| Mid Tower Research Capital LLC (TRC) | $2,532 | 0.01% | 2,202 | Shares | Defined | 2026-05-15 | ||||
| Mega JPMORGAN CHASE & CO | $1,121 | 0.01% | 975 | Shares | Defined | 2026-05-13 | ||||
| Small Crewe Advisors LLC | $575 | 0.00% | 500 | Shares | Sole | 2026-05-07 | ||||
| Mega MORGAN STANLEY | $157 | 0.00% | 137 | Shares | Defined | 2026-05-15 | ||||
| Mega CITIGROUP INC | $1 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
| No holders match your search. | ||||||||||